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Viewing changes to ivle/webapp/admin/subject.py

Merged from new-dispatch branch.
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ivle/webapp/admin/subject.py
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import urllib
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import cgi
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import ivle.database
 
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from ivle.webapp.base.xhtml import XHTMLView
 
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from ivle.webapp.base.plugins import ViewPlugin
 
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from ivle.webapp.errors import NotFound
 
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from ivle.database import Subject
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from ivle import util
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import genshi
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import genshi.template
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def handle(req):
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    """Handler for the Subjects application. Links to subject home pages."""
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    req.styles = ["media/subjects/subjects.css"]
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    ctx = genshi.template.Context()
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    if req.path == "":
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        # This is represented as a directory. Redirect and add a slash if it is
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        # missing.
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        if req.uri[-1] != '/':
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            req.throw_redirect(req.uri + '/')
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        ctx['whichpage'] = "toplevel"
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        handle_toplevel_menu(req, ctx)
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    else:
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        ctx['whichpage'] = "subject"
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        handle_subject_page(req, req.path, ctx)
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    loader = genshi.template.TemplateLoader(".", auto_reload=True)
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    tmpl = loader.load(util.make_local_path("apps/subjects/template.html"))
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    req.write(tmpl.generate(ctx).render('html')) #'xhtml', doctype='xhtml'))
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def handle_toplevel_menu(req, ctx):
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    enrolled_subjects = req.user.subjects
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    unenrolled_subjects = [subject for subject in
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                           req.store.find(ivle.database.Subject)
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                           if subject not in enrolled_subjects]
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    ctx['enrolled_subjects'] = []
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    ctx['other_subjects'] = []
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    req.content_type = "text/html"
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    req.write_html_head_foot = True
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    for subject in enrolled_subjects:
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        new_subj = {}
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        new_subj['name'] = subject.name
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        new_subj['url'] = subject.url
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        ctx['enrolled_subjects'].append(new_subj)
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    if len(unenrolled_subjects) > 0:
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        for subject in unenrolled_subjects:
 
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class SubjectsView(XHTMLView):
 
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    '''The view of the list of subjects.'''
 
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    template = 'subjects.html'
 
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    appname = 'subjects' # XXX
 
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    def populate(self, req, ctx):
 
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        enrolled_subjects = req.user.subjects
 
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        unenrolled_subjects = [subject for subject in
 
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                               req.store.find(Subject)
 
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                               if subject not in enrolled_subjects]
 
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        ctx['enrolled_subjects'] = []
 
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        ctx['other_subjects'] = []
 
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        req.content_type = "text/html"
 
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        req.write_html_head_foot = True
 
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        for subject in enrolled_subjects:
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            new_subj = {}
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            new_subj['name'] = subject.name
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            new_subj['url'] = subject.url
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            ctx['other_subjects'].append(new_subj)
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def handle_subject_page(req, path, ctx):
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    req.content_type = "text/html"
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    req.write_html_head_foot = True     # Have dispatch print head and foot
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    # Just make the iframe pointing to media/subjects
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    ctx['serve_loc'] = urllib.quote(util.make_path(os.path.join('media', 'subjects', path)))
 
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            ctx['enrolled_subjects'].append(new_subj)
 
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        if len(unenrolled_subjects) > 0:
 
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            for subject in unenrolled_subjects:
 
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                new_subj = {}
 
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                new_subj['name'] = subject.name
 
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                new_subj['url'] = subject.url
 
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                ctx['other_subjects'].append(new_subj)
 
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class Plugin(ViewPlugin):
 
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    urls = [
 
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        ('subjects/', SubjectsView),
 
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    ]